A rigid metallic item, generally circular. It may be formed of segmented arcs. It is designed to prevent leakage of air in an engine, gas turbine, aircraft. It may be of various cross-sectional shapes. It may have mounting facilities. It may act as a spacer but its primary function is as an air seal.
Classification: Parts of gas turbine aircraft engines, other than for use in civil aircraft
NSN 4140-01-599-9219
NSN 6610-01-111-9230
NSN 5930-01-441-4250
NSN 6150-00-097-8275
NSN 7035-00-763-6180
NSN 6145-00-275-4046
NSN 5895-01-303-7755
NSN 5950-01-414-6461
NSN 6620-01-539-5189
NSN 5835-01-566-5462
NSN 5950-01-330-8585
NSN 6610-01-289-5784